Lobelia 'Ruby Slippers'

Lobelia

Family
Campanulaceae (kam-pan-yew-LAY-see-ee)
Genus
Lobelia (low-BEE-lee-a)
Synonym
Sun Exposure
Sun to Partial Shade
Light Shade
Foliage
Herbaceous
Smooth
Textured
Height
24-36 in. (60-90 cm)
Spacing
12-15 in. (30-38 cm)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Danger
All parts of plant are poisonous if ingested
Bloom Color
Scarlet (dark red)
Bloom Time
Late Summer/Early Fall
Other Details
Category
Perennials
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Orange/Apricot
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
From herbaceous stem cuttings
From seed; direct sow outdoors in fall
Direct sow as soon as the ground can be worked
From seed; sow indoors before last frost
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

This plant is said to grow outdoors in the following regions:

Cordele, Georgia

Ewing, Kentucky

Annapolis, Maryland

Cambridge, Massachusetts

Saint Paul, Minnesota

West Plains, Missouri

Northport, New York

Oxford, New York

Murrysville, Pennsylvania

Wilkes Barre, Pennsylvania

Summerville, South Carolina

Lexington, Virginia

Mc Lean, Virginia

Winchester, Virginia

Pullman, Washington

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Gardener's Notes:

3
positives
0
neutral
0
negative
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J
J
Cambridge, MA | June 2014 | positive

I have grown this plant for several years. I love the color and find it worth the trouble keep it going. Individual plants live only a ...Read More

B
Saint Paul, MN | August 2011 | positive

Only 6 of the 15 I ordered from Bluestone survived, but these 6 are sensational. A glorious color; I agree that it's hard to describe! ...Read More

E
West Plains, MO (Zone 6b) | August 2009 | positive

This is my first year with this lobelia, and it is one of my new favorites! I wish I could describe the color - photos don't quite do it...Read More

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